Multibeam antenna



FIG. 1 is a front perspective view of a multibeam antenna showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front plan view thereof;

FIG. 4 is a rear plan view thereof;

FIG. 5 is a left plan view, the right plan view being a mirror image thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a front perspective view of the multibeam antenna shown in FIG. 1, the broken line showing of the feed horns is for environment only and forms no part of the claimed design. 

The ornamental design for a multibeam antenna, as shown and described. 